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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N0DUZ callsign genealogy

Currently held by WILLIAMS, KAJ E

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by N0DUZ's current licensee, walking backwards.

  1. KF7YLLcancelled· G
    Williams, Kaj EAZgranted 2018-03-01cancelled 2022-11-04
  2. W0GCMcancelled· G
    Williams, Kaj EMTgranted 2008-04-18cancelled 2012-09-05
  3. KD0BOZcancelled· G
    Williams, Kaj ECOgranted 2007-09-17cancelled 2008-04-18

Successor callsigns

Callsigns held now by people who previously held N0DUZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N0DUZ, oldest first.

  • WILLIAMS, KAJ E NE
    1989-02-21 → cancelled 2001-02-22
  • Williams, Kaj E AZ
    2022-11-04 active
← Back to N0DUZ License history →